نتایج جستجو برای: human chorionic
تعداد نتایج: 1644444 فیلتر نتایج به سال:
A case-control study was carried out on mothers of boys with undescended testis to investigate the hypotheses that raised maternal levels of oestrogen or reduced levels of human chorionic gonadotrophin in early pregnancy might be factors in the environment of the fetus associated with this condition. No significant difference in the levels of either of these hormones was found, though, if anyth...
Intraperitoneal injection of human chorionic gonadotropin in the rat induces a dose-dependent frequency of ovarian hyperemia. The occurrence of such hyperemia can be inhibited by pre-injection (3 hours) of antisera from rabbits immunized with gonadotropin extracts. It is demonstrated that the retained capacity of gonadotropin to induce hyperemia following antisera injections is greater when the...
Chorionic gonadotropin (CG) is an essential signal in establishment and maintenance of pregnancy in humans and higher primates. A G-to-A transition in exon 3 of human CGbeta gene 5, changing the naturally occurring valine residue to methionine in codon 79 (Val(79)Met) has been reported at carrier frequency 4.2% in a random population from the Midwest of the United States. The biological activit...
OBJECTIVE This study was undertaken to compare from a societal perspective the costs of systemic methotrexate administration with those of laparoscopic salpingostomy for the treatment of patients with tubal pregnancy. STUDY DESIGN An economic evaluation was set up in tandem with a multicenter randomized clinical trial that compared systemic methotrexate administration and laparoscopic salping...
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